Brook lamprey · Lampetra planeri

Brook lamprey in the River Bourne

Largest measured brook lamprey: 10.5 cm

The largest brook lamprey measured in Environment Agency surveys of the River Bourne was 10.5 cm, recorded at Winterbourne Gunner on 10 August 2008.

This is the only individual brook lamprey length in the dataset for this river.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Bourne.

See brook lamprey records across England →

Most recent observation24 September 2009Bourne at St Thomas Bridge

Largest measured brook lamprey: 10.5 cm
Length sample: 1 fish
Survey records: 6
Survey locations: 3

Individual EA measurements

Largest measured brook lamprey

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
10.5 cm	10 Aug 2008	Winterbourne Gunner	116248

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where brook lamprey were found

Each point marks a survey location with at least one brook lamprey record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyed	First recorded	Last recorded	Visits finding brook lamprey
Bourne at St Thomas Bridge	23 Sept 2003	24 Sept 2009	3
Winterbourne Gunner	10 Aug 2008	10 Aug 2008	1
Bourne at Laverstock	14 Sept 2006	11 Sept 2007	2

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

2003–2009

Survey records by year

Each bar shows how many survey visits recorded brook lamprey that year.

103

104

005

106

107

108

109

Fish measured by surveyors

Recorded length

One individual length was recorded for this fish and river.

Recorded length: 10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bourne

Compare other species with enough survey and measurement data for a detailed page.

Grayling European eel Brown / sea trout Bullhead Minnow Pike

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →